Replaces OE Numbers: R N46-6074 R

Extension

• Compatible with Peterbilt 579 2022+ Semi Trucks
• Right Passenger Side
• Comes with Logo and Reflective Vest

Please note in order to process the shipping promptly Buyer must provide a VALID phone number where they can be reached and contacted by the delivery carrier. Failure to do so may result in delayed shipment. Seller is not liable for any expense associated with failure to provide contact information on Buyers behalf. Seller reserves the right to hold the shipment until the contact with Buyer has been established to cleat all shipping details. Please make sure to provide your full and detailed shipping address information! Contact us if you want to pick up the item or if you want to know more about delivery options in Washington.

Keep your Peterbilt 579 looking sharp and road-ready with this Passenger Side Extension, designed specifically for 2022 and newer Peterbilt 579 semi trucks. Whether you're a fleet manager maintaining a professional appearance across your vehicles, a truck owner looking to restore after minor damage, or a body shop sourcing reliable aftermarket components, this extension delivers the fit and finish you need to get the job done right.

This replacement extension is engineered for precise fitment on the right passenger side of the 2022+ Peterbilt 579, directly replacing OE number R N46-6074 R. It comes complete with the Peterbilt logo and a reflective vest, ensuring your truck maintains its factory look while meeting visibility and safety standards on the road. The attention to detail in this part means you won't have to worry about gaps, misalignment, or mismatched finishes once it's installed.

Installation is straightforward for experienced technicians and body shop professionals, as this extension is designed to match the original mounting points and contours of the 2022+ Peterbilt 579. The included hardware and OEM-style construction make the swap efficient, helping minimize downtime and getting your rig back on the highway as quickly as possible. The durable materials and quality finish are built to withstand the demands of long-haul trucking and everyday wear.

At Kozak Parts, we stock this Peterbilt 579 passenger side extension in our Seattle, WA warehouse, so you can count on fast shipping directly to your door or shop. We understand that downtime costs money, which is why we work hard to get quality aftermarket semi truck body parts out the door quickly. Please make sure to provide a valid contact phone number at checkout so the delivery carrier can reach you and ensure a smooth, prompt delivery of your order.